MEI.ext Index (created: 10 May 2011) Bimonthly MEI.ext values (in 1/1000 of standard deviations), Dec1870/Jan1871 through Nov/Dec 2005, or 135 full years. More information on the MEI.ext can be found on the MEI.ext homepage. All values are normalized for each bimonthly season so that the 135 values from 1871 to 2005 have an average of zero and a standard deviation of "1". Useful links can be found below this table: YEAR DECJAN JANFEB FEBMAR MARAPR APRMAY MAYJUN JUNJUL JULAUG AUGSEP SEPOCT OCTNOV NOVDEC 1871 .032 -.055 .005 .42 .195 -.639 -.842 -.474 -.143 .072 .107 -.206 1872 -.633 -.875 -.864 -.664 -.59 -.618 -.658 -.795 -.8 -.669 -.651 -.847 1873 -.93 -.991 -1.301 -1.489 -1.066 -.689 -.657 -.646 -.318 -.012 -.355 -.54 1874 -.611 -.802 -1.036 -1.275 -1.258 -.964 -.902 -1.143 -1.148 -1.003 -.771 -.679 1875 -.774 -.686 -.67 -.958 -1.315 -1.812 -1.964 -1.553 -1.295 -.993 -.682 -.688 1876 -.878 -1.196 -1.504 -1.691 -1.878 -1.845 -1.435 -.867 -.393 -.071 .088 .17 1877 .193 .334 .373 .353 .441 .69 1.318 1.687 1.788 2.07 2.165 1.763 1878 1.877 2.361 2.495 1.883 1.006 .58 .54 .235 -.371 -.845 -.911 -.921 1879 -1.005 -.729 -.445 -.447 -.956 -1.18 -.827 -.607 -.523 -.557 -.72 -1.031 1880 -1.057 -.83 -.899 -1.069 -.965 -.595 .113 .394 .083 -.228 -.128 .17 1881 .148 .215 .174 .082 -.105 -.062 -.153 -.559 -.656 -.389 -.499 -.776 1882 -.598 -.461 -.585 -.799 -1.028 -.97 -.686 -.436 -.267 -.261 -.379 -.404 1883 -.562 -.628 -.562 -.672 -1.07 -.898 -.284 -.228 -.314 -.01 .004 -.012 1884 .094 .121 .112 .369 .786 .725 .368 .433 .628 .525 .333 .432 1885 .639 .599 .262 .247 .588 .414 -.044 .211 .506 .804 1.216 .914 1886 .384 .112 .016 -.103 -.619 -1.274 -1.466 -1.351 -1.228 -1.233 -1.306 -1.272 1887 -1.451 -1.573 -1.313 -1.088 -1.257 -.926 -.066 .194 .113 -.154 -.314 -.155 1888 .036 .389 .792 .948 .874 .921 1.038 1.34 1.732 1.788 1.723 1.851 1889 1.893 1.865 1.618 1.163 .481 -.068 -.555 -1.192 -1.494 -1.534 -1.532 -1.451 1890 -1.53 -1.731 -1.584 -1.456 -1.55 -1.564 -1.406 -1.264 -1.186 -1.006 -.876 -.638 1891 -.557 -.287 .17 .285 .061 .128 .36 .382 .192 .021 -.097 -.188 1892 -.128 -.184 -.708 -1.486 -1.572 -1.152 -1.027 -1.29 -1.619 -1.748 -1.682 -1.545 1893 -1.553 -1.625 -1.565 -1.524 -1.941 -2.356 -2.56 -2.524 -2.427 -2.167 -1.832 -1.368 1894 -1.206 -1.323 -1.448 -1.645 -1.32 -.771 -.92 -1.018 -.856 -.914 -.799 -.665 1895 -.706 -.775 -.772 -.803 -.83 -.624 -.182 .281 .453 .264 .082 .044 1896 -.16 -.208 -.065 -.161 .066 .657 .91 1.223 1.484 1.294 1.2 1.418 1897 1.543 1.351 1.15 1.085 .876 .369 -.031 -.147 -.296 -.449 -.348 -.384 1898 -.461 -.691 -.999 -.896 -.55 -.425 -.307 -.597 -1.093 -.85 -.312 -.334 1899 -.608 -.694 -.539 -.245 .03 .182 .482 .883 1.114 .966 .906 1.079 1900 1.056 1.05 1.187 1.46 1.713 1.653 1.361 .688 .314 .354 .467 .438 1901 .612 .533 .156 -.09 -.013 -.062 -.112 .074 -.121 -.383 -.576 -.425 1902 -.328 -.256 .098 .487 .955 1.519 1.917 1.591 1.395 1.706 2.039 1.713 1903 .925 .853 .978 .606 -.058 -.397 -.46 -.657 -.495 -.504 -.784 -.925 1904 -1.194 -1.251 -1.09 -.924 -.563 -.208 .3 .657 .707 .812 .743 .736 1905 .789 .893 1.124 1.261 1.129 1.457 1.954 1.869 1.641 1.482 1.221 1.232 1906 1.053 .664 .512 .477 .37 .169 -.28 -.492 -.792 -1.184 -.874 -.674 1907 -.828 -.727 -.669 -.89 -1.016 -.923 -.511 -.008 .143 .024 -.356 -.466 1908 -.447 -.465 -.644 -.988 -1.306 -1.32 -.873 -.672 -.885 -1.004 -1.064 -1.282 1909 -1.029 -.613 -.677 -.914 -.975 -1.203 -1.5 -1.673 -1.753 -1.6 -1.532 -1.498 1910 -1.385 -1.42 -1.623 -1.813 -1.911 -1.985 -2.008 -1.65 -1.488 -1.611 -1.426 -1.348 1911 -1.196 -.728 -.55 -1.047 -1.55 -1.556 -.919 -.05 .301 .502 .744 .789 1912 .913 1.004 .798 .619 .36 -.306 -.58 -.569 -.285 .003 .003 -.048 1913 -.019 .194 .17 -.548 -.944 -.376 .056 .342 .681 .531 .548 .78 1914 .805 .809 .796 .604 .451 .354 .613 1.219 1.328 .974 1.028 1.257 1915 1.308 1.173 .885 1.091 1.556 1.552 .983 .523 .21 -.317 -.688 -.589 1916 -.405 -.675 -.993 -.872 -.851 -1.053 -1.498 -2.099 -2.173 -1.773 -1.678 -1.899 1917 -1.915 -1.764 -1.606 -1.572 -1.745 -1.713 -1.127 -.967 -1.093 -1.116 -1.127 -1.202 1918 -1.328 -1.138 -.949 -.787 -.574 -.055 1.046 1.479 1.052 .969 1.051 1.158 1919 1.527 1.753 1.538 1.083 1.026 1.279 1.224 1.151 .995 .81 .5 .145 1920 .265 .564 .663 .567 .347 .248 -.197 -.342 -.235 -.3 -.054 .037 1921 .034 -.052 -.638 -1.124 -.834 -.578 -.605 -.563 -.595 -.617 -.368 -.296 1922 -.483 -.565 -.365 -.044 .029 -.223 -.492 -.401 -.37 -.506 -.465 -.691 1923 -.838 -.623 -.517 -.528 -.41 -.035 .494 .788 .895 .92 1.021 .929 1924 .664 .409 .124 -.216 -.685 -1.093 -1.244 -1.448 -1.458 -.996 -.845 -.956 1925 -.954 -.79 -.482 -.134 .048 .025 .217 .802 1.286 1.511 1.511 1.588 1926 1.407 1.35 1.602 1.71 1.33 1.06 1.067 .685 .179 -.03 -.025 -.001 1927 .014 .158 .193 -.274 -.399 -.239 -.405 -.195 .162 .206 .376 .343 1928 .312 .476 .346 -.001 -.131 .071 .346 .06 -.471 -.466 -.296 -.161 1929 -.064 -.054 -.189 -.237 .076 .418 .557 .734 .845 .677 .459 .468 1930 .506 .552 .767 1.038 1.199 1.054 1.143 1.395 1.507 1.652 1.723 1.925 1931 1.915 1.855 1.955 1.905 1.496 .877 .425 .262 .172 .179 .248 .197 1932 .187 .276 .485 .787 .964 .998 1.114 1.025 .483 -.05 -.147 -.023 1933 -.059 -.126 -.396 -.497 -.388 -.671 -.769 -.827 -1.014 -1.001 -.987 -1.093 1934 -1.251 -1.214 -1.007 -.651 -.246 -.074 -.133 -.174 .037 .114 -.084 -.141 1935 -.197 -.331 -.511 -.508 -.11 .096 -.055 .017 .322 .412 .364 .372 1936 .193 .156 .319 .44 .513 .474 .292 .249 .206 .138 .258 .361 1937 .34 .206 .218 .082 -.13 -.277 -.292 -.071 .186 .26 .157 -.081 1938 -.277 -.408 -.477 -.68 -.971 -1.035 -1.25 -1.392 -1.198 -.787 -.595 -.714 1939 -.786 -.824 -.979 -.93 -.433 .033 .269 .579 .877 .715 .313 .313 1940 .658 .921 1.163 1.419 1.441 1.419 1.352 1.119 .988 .965 .873 .967 1941 1.35 1.55 1.793 2.07 2.269 2.001 1.496 1.522 1.514 1.435 1.629 1.605 1942 1.324 1.029 .87 .798 .41 -.262 -.706 -.879 -.908 -.968 -1.089 -1.165 1943 -1.257 -1.166 -.846 -.463 -.004 .375 .504 .145 -.179 -.363 -.428 -.347 1944 -.289 -.035 .22 .258 .239 .161 .108 .029 -.257 -.273 -.256 -.425 1945 -.395 -.41 -.471 -.425 -.193 .024 -.362 -.645 -.462 -.01 .234 -.018 1946 -.213 -.247 -.223 -.158 -.214 -.193 -.072 -.043 .141 .36 .33 .212 1947 .197 .111 -.116 -.301 -.382 -.157 -.177 -.476 -.633 -.67 -.541 -.406 1948 -.063 .326 .606 .569 .259 .18 .067 -.042 -.027 -.083 -.279 -.175 1949 .066 -.063 -.252 -.133 .194 .007 -.519 -.698 -.611 -.726 -.957 -.924 1950 -.941 -1.131 -1.347 -1.377 -1.282 -1.232 -1.538 -1.797 -1.433 -1.03 -1.109 -1.378 1951 -1.264 -1.18 -1.176 -.795 -.13 .382 .782 1.116 1.233 1.04 .867 .738 1952 .613 .565 .449 .437 .434 .017 -.303 -.251 .004 .178 -.035 -.119 1953 .154 .403 .59 .69 .758 .581 .31 .447 .778 .568 .104 .138 1954 .103 -.137 -.024 .137 -.065 -.419 -.838 -1.041 -.962 -.954 -1.049 -1.155 1955 -.955 -.858 -1.147 -1.292 -1.497 -1.887 -1.749 -1.543 -1.647 -1.96 -2.081 -1.965 1956 -1.763 -1.614 -1.532 -1.329 -1.366 -1.538 -1.371 -.898 -.754 -.95 -1.076 -.947 1957 -.736 -.387 .049 .41 .792 1.371 1.628 1.551 1.436 1.152 1.157 1.312 1958 1.478 1.549 1.505 1.38 1.5 1.602 1.419 1.02 .604 .424 .373 .534 1959 .639 .747 .86 .748 .797 .864 .549 .308 .232 .142 .048 -.125 1960 -.07 .073 .106 .167 .177 .071 -.078 -.303 -.253 -.256 -.286 -.197 1961 -.011 .016 -.065 .156 .273 .193 .087 .108 .006 -.396 -.508 -.526 1962 -.894 -.891 -.434 -.436 -.975 -.894 -.408 -.408 -.534 -.59 -.616 -.3 1963 -.371 -.579 -.461 -.233 .037 .232 .508 .91 1.059 1.11 1.07 .974 1964 .933 .73 .25 -.349 -.827 -1.093 -1.277 -1.289 -1.191 -1.171 -1.059 -.895 1965 -.66 -.333 -.132 .076 .519 1.025 1.363 1.731 1.73 1.42 1.523 1.726 1966 1.682 1.526 1.213 .889 .823 .648 .357 .264 .076 -.05 .07 .023 1967 -.208 -.501 -.753 -.727 -.55 -.582 -.741 -.828 -.837 -.785 -.591 -.372 1968 -.456 -.62 -.658 -.759 -.733 -.525 -.544 -.338 .204 .619 .726 .655 1969 .755 1.04 1.027 .941 1.092 1.219 1.077 .906 .857 .831 .76 .744 1970 .675 .575 .439 .309 .09 -.501 -1.153 -1.347 -1.228 -1.1 -1.06 -1.128 1971 -1.281 -1.563 -1.873 -1.979 -1.764 -1.534 -1.304 -1.041 -1.296 -1.398 -1.102 -.986 1972 -.651 -.258 -.146 .08 .751 1.546 2.087 2.209 2.068 1.88 1.844 2.008 1973 2.023 1.756 1.303 .743 .154 -.52 -1.077 -1.363 -1.664 -1.742 -1.591 -1.768 1974 -2.024 -2.188 -2.088 -1.802 -1.241 -.821 -.976 -.858 -.543 -.815 -1.094 -1.033 1975 -.703 -.479 -.625 -.953 -1.083 -1.168 -1.408 -1.744 -2.055 -2.27 -2.19 -1.909 1976 -1.764 -1.626 -1.459 -1.289 -.777 -.007 .674 .771 .948 1.272 .982 .731 1977 .71 .651 .548 .558 .511 .421 .641 .749 .715 .831 1.01 1.112 1978 .939 .846 .895 .57 .023 -.235 -.137 .19 -.056 -.142 .39 .626 1979 .577 .402 .132 .164 .623 .637 .346 .584 .876 .818 .831 1.012 1980 1.014 .813 .832 1.167 1.249 .919 .783 .689 .411 .336 .226 .189 1981 -.087 -.337 -.128 .362 .29 .013 -.096 -.076 .082 .201 .177 .064 1982 .077 .019 .107 .44 .949 1.48 1.768 1.841 1.871 2.254 2.593 2.777 1983 3.08 3.31 3.349 3.084 2.665 2.337 1.922 1.155 .462 .105 -.099 .054 1984 .054 -.166 -.192 .096 -.052 -.402 -.416 -.365 -.214 -.102 -.359 -.66 1985 -.744 -.777 -.863 -.772 -.791 -.533 -.102 -.365 -.601 -.257 .015 -.151 1986 -.278 -.228 -.087 -.004 .141 .319 .377 .736 1.147 1.198 1.237 1.342 1987 1.38 1.529 1.883 2.171 2.162 2.069 2.2 2.343 2.054 1.824 1.575 1.49 1988 1.387 1.02 .703 .429 -.047 -.735 -1.416 -1.704 -1.783 -1.76 -1.778 -1.67 1989 -1.468 -1.33 -1.198 -1.143 -1.124 -1.027 -.951 -.637 -.35 -.389 -.33 .001 1990 .225 .462 .742 .723 .531 .422 .352 .147 .257 .454 .382 .298 1991 .407 .413 .493 .763 1.014 1.184 1.102 .553 .296 .8 1.257 1.45 1992 1.857 2.039 2.052 2.289 2.404 2.293 1.742 .723 .464 .751 .765 .808 1993 .925 1.049 1.177 1.44 1.86 1.835 1.228 .724 .795 1.186 1.158 .784 1994 .644 .422 .278 .646 1.011 .992 .885 .731 .796 1.355 1.447 1.319 1995 1.337 1.196 .935 .83 .94 .813 .483 .258 -.081 -.274 -.407 -.432 1996 -.437 -.421 -.348 -.361 -.435 -.272 -.214 -.218 -.22 -.327 -.213 -.203 1997 -.453 -.577 -.323 .529 1.61 2.602 3.12 3.181 3.168 3.214 3.201 3.022 1998 2.822 2.823 2.944 2.821 2.336 1.355 .18 -.731 -.863 -.759 -.857 -.973 1999 -1.108 -1.231 -1.121 -1.098 -1.187 -.975 -.826 -.801 -.727 -.847 -1.045 -1.182 2000 -1.255 -1.295 -1.319 -1.168 -.96 -.711 -.479 -.298 -.113 -.109 -.397 -.642 2001 -.706 -.796 -.71 -.398 -.322 -.349 -.225 -.041 -.098 -.256 -.29 -.199 2002 -.064 -.091 .045 .359 .669 .912 .667 .636 .903 1.09 1.207 1.223 2003 1.252 1.084 .953 .816 .262 -.094 .004 .083 .36 .533 .594 .646 2004 .526 .331 .118 .125 .299 .214 .271 .582 .803 .68 .69 .74 2005 .432 .28 .631 .773 .588 .737 .8 .492 .08 -.661 -.998 -.954 Link to ranked MEI.ext values is here. 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